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B&K Reference 4420 - User Manual

B&K Reference 4420
16 pages
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B & K Components Ltd.
P/N 12692
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B&K Reference 4420 Specifications

General IconGeneral
BrandB&K
ModelReference 4420
CategoryAmplifier
LanguageEnglish

Summary

Safety Precautions

Product Overview

Purpose and Function

Explains the amplifier's role as a compact, efficient two-channel power amplifier for audio/video systems.

Design and Construction

Details the internal electronic circuitry, components, and power stages used in the amplifier's design.

Key Features

Highlights technologies like toroidal transformers, discrete circuitry, and gold-plated connectors for enhanced performance.

Rear Panel Details

Rear Panel View

Provides an illustration and identification of the amplifier's rear panel components and connectors.

Rear Panel Description

Details the function and purpose of each numbered connection and control on the rear panel.

Control Muting Function

Explains how to set up remote muting using the amplifier's control input/output and daisy-chaining.

Level Controls Operation

Describes the optional level controls for adjusting input sensitivity per channel.

Connectivity

Speaker Outputs

Details the five-way binding posts for speaker connection and proper polarity.

Unbalanced Inputs

Explains how to connect using RCA type unbalanced connectors from a preamplifier.

Balanced Inputs

Describes using XLR type connectors for balanced line input from a preamplifier.

Installation and Operation

System Installation

Provides guidance on planning cable runs, placement, and using separate power lines for optimal system efficiency.

Making the Connection

Step-by-step instructions for connecting audio cables, speakers, and the power cord, including power-on sequence.

Troubleshooting and Maintenance

Troubleshooting

Lists common problems, their possible causes, and solutions for the amplifier.

Care and Cleaning

Instructions on how to clean the amplifier's exterior and connectors safely.

Technical Specifications

Warranty and Service

Limited Warranty

Details the five-year warranty terms, coverage, exclusions, and user rights.

Returning Equipment

Outlines the process for returning equipment for service, including obtaining an RA number.

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